US Population With Last Name Demkowski By Race and Ethnicity in the 2010 Census
Updated on May 9, 2026.
Data Source: US Census Bureau.
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In the 2010 Census, there were 104 people in the US whose last name was Demkowski, and the rate of occurence of the Demkowski last name was 0.04 per 100K.
The highest percentage of people with the last name of Demkowski identified their race as Non Hispanic White Alone (98.08%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Demkowski last name.
US Population With Last Name Demkowski By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 102 | 98.08 |